as follows:
1, the type of communication interface
GS is the interface between the SGSN and the MSC/VLR in the NSS (mobile subsystem). gs interface, using the 7 signaling bearer on the bearer BSSAP+ protocol.
2. Physical unit
Gauss, abbreviated as high, is a non-internationally recognized unit of magnetic induction strength.
3, GS certification
GS means German "Geprufte Sicherheit" (safety has been certified), but also "Germany Safety" (Germany Safety) meaning. GS certification is based on the German Product Safety Act (GPGS), in accordance with the EU unified standard EN or the German industrial standard DIN for testing a voluntary certification, is recognized in the European market, the German safety certification mark.
4, the comic "black pupil" in the organization
National mysterious level of special investigation department, code name gs, specializing in dealing with and responding to a variety of mysterious events, subway events, hospitals events occurring in all the gs department to deal with, d-level agents can only understand some of them, and would like to go further to understand the gs, you must be promoted to the level of b, leaking the gs people will be obliterated.
5, the relative density of soil particles
Earth mechanics ds indicates the relative density of soil particles, in the exercises are sometimes written as Gs. ds (relative density of soil particles) indicates the mass of soil particles with the same volume of 4 degrees Celsius when the mass of pure water ratio, dimensionless.